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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.26 by root, Sat Aug 15 15:13:04 2009 UTC vs.
Revision 1.31 by root, Fri Aug 28 23:06:33 2009 UTC

1=head1 NAME 1=head1 NAME
2 2
3AnyEvent::MP::Node - a single processing node (CPU/process...) 3AnyEvent::MP::Node - represent a node
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use AnyEvent::MP::Node; 7 use AnyEvent::MP::Node;
8 8
9=head1 DESCRIPTION 9=head1 DESCRIPTION
10
11This is an internal utility module, horrible to look at, so don't.
10 12
11=cut 13=cut
12 14
13package AnyEvent::MP::Node; 15package AnyEvent::MP::Node;
14 16
… …
19use AnyEvent::Socket (); 21use AnyEvent::Socket ();
20 22
21use AnyEvent::MP::Transport (); 23use AnyEvent::MP::Transport ();
22 24
23sub new { 25sub new {
24 my ($self, $noderef) = @_; 26 my ($self, $id) = @_;
25 27
26 $self = bless { noderef => $noderef }, $self; 28 $self = bless { id => $id }, $self;
27 29
30 $self->init;
28 $self->transport_reset; 31 $self->transport_reset;
29 32
30 $self 33 $self
34}
35
36sub init {
37 #
31} 38}
32 39
33sub send { 40sub send {
34 &{ shift->{send} } 41 &{ shift->{send} }
35} 42}
36 43
44# nodes reachable via the network
37package AnyEvent::MP::Node::External; 45package AnyEvent::MP::Node::External;
38 46
39use base "AnyEvent::MP::Node"; 47use base "AnyEvent::MP::Node";
40 48
41# called at init time, mostly sets {send} 49# called at init time, mostly sets {send}
… …
48 56
49 $self->{send} = sub { 57 $self->{send} = sub {
50 push @{$self->{queue}}, shift; 58 push @{$self->{queue}}, shift;
51 $self->connect; 59 $self->connect;
52 }; 60 };
53
54 $self->connect
55 if $self->{autoconnect};
56} 61}
57 62
58# called only after successful handshake 63# called only after successful handshake
59sub transport_error { 64sub transport_error {
60 my ($self, @reason) = @_; 65 my ($self, @reason) = @_;
… …
65 delete $self->{connect_to}; 70 delete $self->{connect_to};
66 71
67 delete $self->{queue}; 72 delete $self->{queue};
68 $self->transport_reset; 73 $self->transport_reset;
69 74
70 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason)
71 unless $no_transport;
72
73 if (my $mon = delete $self->{lmon}) { 75 if (my $mon = delete $self->{lmon}) {
74 $_->(@reason) for map @$_, values %$mon; 76 $_->(@reason) for map @$_, values %$mon;
75 } 77 }
78
79 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason)
80 unless $no_transport;
76} 81}
77 82
78# called after handshake was successful 83# called after handshake was successful
79sub transport_connect { 84sub transport_connect {
80 my ($self, $transport) = @_; 85 my ($self, $transport) = @_;
81 86
82 # first connect with a master node 87 delete $self->{trial};
83 $AnyEvent::MP::Kernel::SLAVE->($self)
84 if ref $AnyEvent::MP::Kernel::SLAVE;
85 88
86 $self->transport_error (transport_error => "switched connections") 89 $self->transport_error (transport_error => "switched connections")
87 if $self->{transport}; 90 if $self->{transport};
88 91
89 delete $self->{connect_w}; 92 delete $self->{connect_w};
… …
102 $transport->send ($_) 105 $transport->send ($_)
103 for @{ delete $self->{queue} || [] }; 106 for @{ delete $self->{queue} || [] };
104} 107}
105 108
106sub connect { 109sub connect {
107 my ($self) = @_; 110 my ($self, @addresses) = @_;
108 111
109 return if $self->{transport}; 112 return if $self->{transport};
110 113
111 Scalar::Util::weaken $self; 114 Scalar::Util::weaken $self;
112 115
113 $self->{connect_to} ||= AE::timer 116 $self->{connect_to} ||= AE::timer
114 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT, 117 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
115 0, 118 0,
116 sub { 119 sub {
117 $self->transport_error (transport_error => $self->{noderef}, "unable to connect"); 120 $self->transport_error (transport_error => $self->{id}, "unable to connect");
118 }; 121 };
122
123 return unless @addresses;
124
125 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]");
119 126
120 unless ($self->{connect_w}) { 127 unless ($self->{connect_w}) {
121 my @endpoints; 128 my @endpoints;
122 my %trial;
123 129
124 $self->{connect_w} = AE::timer 130 $self->{connect_w} = AE::timer
125 rand, 131 rand,
126 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL, 132 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
127 sub { 133 sub {
128 @endpoints = split /,/, $self->{noderef} 134 @endpoints = @addresses
129 unless @endpoints; 135 unless @endpoints;
130 136
131 my $endpoint = shift @endpoints; 137 my $endpoint = shift @endpoints;
132 138
139 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint");
140
133 $trial{$endpoint} ||= do { 141 $self->{trial}{$endpoint} ||= do {
134 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 142 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
135 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{noderef}: not a resolved node reference."); 143 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference.");
136 144
137 AnyEvent::MP::Transport::mp_connect 145 AnyEvent::MP::Transport::mp_connect
138 $host, $port, 146 $host, $port,
139 sub { delete $trial{$endpoint} } 147 sub { delete $self->{trial}{$endpoint} },
140 ;
141 }; 148 };
142 } 149 }
143 ; 150 ;
144 } 151 }
145} 152}
… …
173 $self->send (["", mon0 => $portid]); 180 $self->send (["", mon0 => $portid]);
174 delete $self->{monitor}{$portid}; 181 delete $self->{monitor}{$portid};
175 } 182 }
176} 183}
177 184
185# used for direct slave connections as well
178package AnyEvent::MP::Node::Direct; 186package AnyEvent::MP::Node::Direct;
179 187
180use base "AnyEvent::MP::Node::External"; 188use base "AnyEvent::MP::Node::External";
181
182package AnyEvent::MP::Node::Indirect;
183
184use base "AnyEvent::MP::Node::Direct";
185
186sub master {
187 my ($self) = @_;
188
189 my (undef, $master) = split /\@/, $self->{noderef}, 2;
190 $master =~ s/!/,/g;
191 $master
192}
193
194sub transport_reset {
195 my ($self) = @_;
196
197 if ($self->{transport}) {
198 # as an optimisation, immediately nuke slave nodes
199 delete $AnyEvent::MP::Kernel::NODE{$self->{noderef}};
200 } else {
201 $self->SUPER::transport_reset;
202 return;#d##TODO#
203
204 my $noderef = $self->{noderef};
205 my $master = $self->master;
206
207 # slave nodes are so cool - we can always send to them :)
208
209 $self->{send} = sub {
210 $self->connect;
211 snd $master, snd => $noderef, @_;
212 };
213 }
214}
215
216sub connect {
217 my ($self) = @_;
218
219 #TODO#
220# # ask for a connection, #TODO# rate-limit this somehow
221# snd $self->master, relay => $self->{noderef}, connect_node => $AnyEvent::MP::Kernel::NODE;
222}
223 189
224package AnyEvent::MP::Node::Self; 190package AnyEvent::MP::Node::Self;
225 191
226use base "AnyEvent::MP::Node"; 192use base "AnyEvent::MP::Node";
227 193
… …
238 local $AnyEvent::MP::Kernel::SRCNODE = $self; 204 local $AnyEvent::MP::Kernel::SRCNODE = $self;
239 AnyEvent::MP::Kernel::_inject (@{ $_[0] }); 205 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
240 }; 206 };
241} 207}
242 208
209sub transport_connect {
210 my ($self, $tp) = @_;
211
212 $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})");
213}
214
243sub kill { 215sub kill {
244 my ($self, $port, @reason) = @_; 216 my ($self, $port, @reason) = @_;
245 217
246 delete $AnyEvent::MP::Kernel::PORT{$port}; 218 delete $AnyEvent::MP::Kernel::PORT{$port};
247 delete $AnyEvent::MP::Kernel::PORT_DATA{$port}; 219 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};

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